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Lesson Plan
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The Acoustics House

For Teachers 6th - 8th
Students study how drums produce sound by building and playing a simple drum. They measure the diameter of their can, then mark a circle two inches larger in diameter on their piece of plastic with the marker or chalk, and cut out the...
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Worksheet
Curated OER

Differential Equation

For Students Higher Ed
In this differential worksheet, students answer three essay questions. They are presented a problem about the height of a tree being a function of the base diameter. Students write the equation for the differential equation, solve the...
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Lesson Plan
Curated OER

Timber Harvesting: A Civic Debate, Day 1

For Teachers 8th
Eighth graders develop an understanding of the strategies used in the sustainability of forests.  In this timber harvesting lesson students identify and analyze the importance of forests and their management techniques. 
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Lesson Plan
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Timber Harvesting: A Civic Debate

For Teachers 8th
Eighth graders analyze and identify the importance of our forests and how to manage them properly.  In this tree lesson students read forestry material and come up with different alternatives to the identified problems. 
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Lesson Plan
Curated OER

Noun/Adjective/Subject/Verb Agreement

For Teachers 5th - 8th
Young scholars create a wheel from construction paper to use to create sentences. The wheel consists of four concentric circles, beginning with the largest being 8 inches in diameter. Each circle represents one part of a sentence....
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Lesson Plan
Curated OER

Alien Plant Invasion: A Filed Study project at Saguaro National Park

For Teachers 9th - 12th
Students are able to describe the purpose of National Parks and Monuments. They describe three ways alien plants species affect native populations of plants and animals. Students are able to properly set up a study plot, measure and...
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Worksheet
Curated OER

Inscribed Angles and Arcs

For Students 10th
In this inscribed angles and arcs worksheet, 10th graders solve and complete 21 various types of problems. First, they find the measure of each inscribed angle. Then, students find the measure of each angle or arc in a circle with the...
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Worksheet
Curated OER

Water Velocity

For Students 7th - 10th
In this water worksheet, learners use a graph comparing particle diameter with stream velocity to complete 6 fill in the blank questions.
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Worksheet
Curated OER

Six Activities Regarding Circles and Cylinders

For Students 9th - 10th
In this circles and cylinders learning exercise, learners complete six activities answering sixteen questions.  These activities include a discovery of the ratio of circumference to diameter and the formula for area of a...
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Worksheet
Curated OER

Parts of the Circle

For Students 6th - 8th
In this geometry skills worksheet, students respond to 3 questions that require them to examine the part of circles and identify them as diameters, chords, radii, or centers.
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Worksheet
Curated OER

Parts of the Circle

For Students 5th - 7th
In this geometry skills worksheet, students examine 3 labeled circles and identify the noted items as diameters, chords, radii, or centers.
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Worksheet
Curated OER

Parts of a Circle

For Students 7th - 9th
In this geometric shapes instructional activity, students respond to questions that require them to identify chords, radii, diameters and centers of 4 circles.
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Worksheet
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Estimation

For Students 5th - 6th
In this estimation worksheet, students analyze a table with the diameter of four coins in fractional inches. Students solve 5 multiple choice problems in which estimating is used with fractions.
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Worksheet
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Surface Area of Cylinder Worksheet

For Students 6th - 8th
In this surface area worksheet, students are given either the diameter or radius and the height of 8 cylinders. They calculate the surface area.
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Worksheet
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Write the Parts of the Circle in the Place Holders

For Students 9th - 11th
For this parts of a circle worksheet, students place the names of 6 different parts of a circle in rectangular place holders. They use labels such as cord, secant, diameter, radius, tangent, and center.
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Worksheet
Curated OER

Circumference and Area

For Students 6th
In this circumference and area instructional activity, 6th graders find the circumference and area of circles when the diameter is given. Students complete 9 problems.
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Worksheet
Curated OER

Discovering Pi

For Students 4th - 6th
In this discovering Pi worksheet, students read about finding Pi, then find diameter and circumference of circles. Text page numbers are referenced, but no text name is given.
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Lesson Plan
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Measure the Earth's Circumference

For Teachers 5th - 12th
Students explore geometry by conducting a science experiment. In this circumference measurement instructional activity, students review the Greek geographer Eratosthenes who first discovered the circumference of our planet. Students...
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Worksheet
Curated OER

Place Value to 10,000

For Students 3rd - 4th
In this ten thousands place worksheet, students review the table that shows the diameters of the largest moons in the solar system and the planet it orbits. Students use the table to help them understand numbers with a place value of...
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Lesson Plan
Curated OER

Viewing Tubes

For Teachers 6th - 8th
Students complete a lab in order to discover if the length of a viewing tube, its diameter, or the distance from an object affect the type of data collected and the resulting graph.
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Lesson Plan
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View Tubes

For Teachers 8th
Eighth graders decide if the length of a viewing tube, its diameter, or the distance from an object affects the type of data collected and the resulting graph through a series of experiments.
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Lesson Plan
Curated OER

Sir Cumference and the Dragon Pi

For Teachers 6th - 8th Standards
Geometry adventurers study circumference of a circle as they listen to Sir Circumference and the Dragon Pi, by Cindy Neuschwander. In groups, they use string to measure the diameter and circumference of circular objects and...
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Lesson Plan
Curated OER

Around and Across

For Teachers 10th
Tenth graders investigate the circumference and diameter of a circle. In this geometry lesson plan, 10th graders relate circumference to diameter. They create a scatter plot to estimate the value of pi.
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Lesson Plan
Curated OER

Determining Mercantile Volume of a Pine Tree

For Teachers 4th
Fourth graders, acting as foresters, determine timber volumes as sawtimber or pulpwood for marketing. They find the marketable value of a tree using its diameter and volume.

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